Silas s



(No Model.)

S. S. BRADSHAW.

WINDOW Patented May 10, 1887.

N PETERS, PholoLnnngnphcr, Washinginm n. c.

NITE STATES FFIQE.

SILAS S. BRADSHA'W, OF CHICAGO, ILLINOIS, ASSIGNOR TO JOHN \V. GARVY, OF SAME PLACE.

WlNDOW.

SPECIFICATION forming part of Letters Patent No. 362,715, dated May 10, 1887.

Application filed December 6, 1886. Serial No. 220,757.

To 41% whom it may concern:

Be it known that I, SILAS S. Bnansnaw, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in \Vindows; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to theletters of reference marked thereon,which form a part of this specification.

This invention relates to a class of windowsash mountings in which slides are removably attached to the vertical margins of the sash, and the sash-weights are attached to these slides.

One objectof the invention is to provideimproved means for automatically securing the slides to the window-frame upon the removal or inclination of the sash and the automatic release of said slides from the frame upon restoring the sash to its upright position between the slides.

Another object of the invention is to provide improved means for causing the slides to hug the sash when the latter are in place therein.

Still another object of the invention is to provide a weather-strip on each slide in position to bear against the window-stile or against the stop of the frame, so as to make a close joint therewith after the slide has been drawn into close contact with the sash.

In the accompanying drawings, which represent the now-preferred forms of my several improvements, Figure 1 is an inside view of a window-sash attached to its marginal slides, parts being broken away to show the catch. Fig. 2 is a side view of the left hand slide of Fig. 1, looking at the face of the slide, which runs in contact with the window-stile. Fig. 3 is aview of that side of the same slide which is in contact with the edge of the sash. Fig. 4 is a view of the adjacent edge of the sash. Fig. 5 is an enlarged fragment, showing the slide at the left of the sash in vertical section through the shell of the automatic catch and a part of the adjacent sash-rail broken away in a nearer plane, showing the striker which engages the automatic catch. Fig. (3 is an enlarged fragment of the slide, viewed on that (No model.)

side adjacent to the frame, illustrating the automatic catch more plainly than it is seen in Fig. 2. Fig. 7 is an enlarged horizontal section taken on the line 7 7 of Fig. 1, andincluding the adjacent stile and stops, the stops being also shown by dotted lines in Fig. 6. Fig. 8 is a similar section through the line 8 S of Fig. 1.

A A are the vertical rails ofa windowsash. B B are the vertical marginal slides, which are attached to the sash and work in the grooves of the frame. 0 is one of the frame stiles, upon which 0 and 0, Figs. 6 and 7, are the stops, and D D are the sash-weight cords attached to the slides B B. At the lower end of each slide B is an inwardly-projecting pin, 1), and in the adjacent lower face of the sashrail A is a recess, a, desirably open laterally, and preferably downwardly, to admit said pin b. Both the slide and the sash are rabbeted in their meeting faces, as illustrated in Fig. 8, so that the sash can be tilted or removed inwardly, but not outwardly, between the slides B. At the upper part of the sash the latter is provided with some suitable form of catches orloeks, (indicated at 1nd,) which engage the slides B B, and by which the sash may be held in an upright position within said slides.

\Vhen the sash is removed, the slides will of course rise by draft of the weight-cords D, unless secured to the frame. An automatic catch is provided on each slide B to engage the lat ter with the frame when the slide is in its 1owcred position,and thus to lock the slide in that place until the sash is returned. As here shown, the catch consists of a button, F, mounted on a pin, F, and combined with a spring, F", in such manner that the spring tends to throw the end or ends f of the button outward beyond the face or faces of the slide and into engagement with the adjacent stop or stops 0 c. A suitable notch is provided in the stop to admit the end of the button, as shown in dotted lines of Fig. 6. The button F is provided with an inward projection, F, reaching into the path of the wider part of the sash, upon which a striker,F", is placed in position to bear against the projection F when the window is pressed to its place and to thereby rotate the button F optional.

backwardly out of engagement with the stop or stops 0 a. This striker of course continues to hold the button retreated while the sash is in place, but releases it when the sash is tilted only slightly forward. The catch is therefore wholly automatic in both its locking and its releasing movements, so that in removing and reinserting the sash only the bolts E and pins 1) require attention from the operator after having lowered the sash to the bottom of the frame preparatory to removing the sash.

As a means of drawing the slides B B closelyagainst the sash in the act of inserting thelatter, the slides are provided with one or more plates, B, secured to and flush with the rib b and projecting into the path of thevwider part of the sash. The latter is cut away to admit the plate B, and the recess formed for this purpose is covered with a plate, A, behind which the projecting plate B passes, as seen in Fig. 7.. The plates B and A are inclined outwardly on their adjacent faces, and these inclined faces are arranged to press against each other as the sash is pushed to place between the slides, and so to draw the slides snugly against the sash.

In providing for suitable freedom'of the parts in connection with the clamping of the slides to the sash, as last above explained, it is desirable toapply a weather-strip between the slides and the frame. To this end the slide is grooved or rabbeted, preferably at its outer angle, and a strip, G, of rubber, felt, or other suitable material, is inserted in the groove or rabbet bearing against either the stile O or stop a.

The button F will preferably be mounted in a cast-iron shell, F and said shell may, if de sired, be suitably located and constructed, as shown in Figs. 1,5, and 6,to receive the knotted end of the sash-cord D. This, however, is not essential, as the button may be located at any desired point on the slide. So, also,if desired, a casing, A may be provided to contain the recess a, and said casing may, if desired, be cast to form one of the plates, A. This, too,is The pin 1) is shown as a stud on a p1ate,B as a construction desirable for proper strength of said pin when the slide is of wood, and the shell F may, if preferred, be a part of this casting. The entire slide may, however, be made of metal, if preferred.

In the construction of the button I it is preferred to give the latter engagement with both stops 0 and c, in order to better retain the slide within the frame-groove, and it is also preferred to give to the ends of the button the oppositely-bent form shown in Figs. 2, 3, and 6, in order that only narrow passages I) need be provided for the ends ff of said button.

A 'prior application, Serial No. 210,972, filed August 16,1886, and relating to the same general subject, contains generic claims covering the matter of claim 1 hereof, and said claim 1 therefore does not embrace the devices shown in said former application.

I claim as my invention 1. The combination, with a window-frame a sash, and a slide applied removably to a vertical margin of the sash and having the weightcord attached thereto, of a pivoted rotatable button on the inner vertical face of the slide engaging with the frame, a spring which tends to rotate the button into engagement with the frame, and a part or projection belonging to *tlrebutton arranged to stand in the way of the sash, whereby the sash, when inserted in place, forces the button out of engagement with the frame and leaves said slide free to move with the sash, while upon withdrawal of I the sash the button is free to engage the frame, substantially as described.

2. The combination, with a window-frame having stops between which are grooves for sliding sashes, a sash provided with a slide removably applied to a vertical margin thereof, and .a weight-cord secured to the slide, of a centrally-pivoted button in the inner face of the slide and between the ends of said slide, and interior recesses in the proximate faces of both adjacent stops, whereby both ends of the button simultaneously engage therewith and more securely retain the slide within the groove of the frame when the sash is removed.

3. The combination, with a sash and detachable slides applied to the vertical margins of the sash, of pivot-pins on the lower ends of the slides, corresponding recesses in the lower ends of the sash to receive said pins, plates secured at their rear margins to the slides and projecting forward clear of said slides, and plates secured at their front margins to the sash and projecting backward clear of the sash in position to enter behind the plates on the slides, the surfaces of the thus-engaging plates being inclined, as set forth, whereby the sash, when rotated on'the lower pins into the same plane with the slides, draws the slides closely to itself, substantially as described.

4. The combination, with a grooved window-frame, a sash, and a detachable slide secured to the sash and running in the groove of the frame, of means for drawing the slide against the sash and away from the bottom of the frame-groove, and a Weatherstrip applied to the slide and bearing upon the frame,whereby it prevents a passage from being opened SILAS S. BRADSHAW.

Witnesses:

M. E. DAYTON, CHARLES 'I. LORING. 

